KStars
KDE Homepage, KDE.org
KDE Cantor
KDE Frontend to mathematical applications
Elisa - KDE
Beautiful no-nonsense music player with online radio support
Akregator - KDE Applications
A news feed reader
Dolphin KDE
Source-code: https://invent.kde.org/system/dolphin For Windows: https://cdn.kde.org/ci-builds/system/dolphin/master/windows/
KDE Konsole
Konsole: the KDE Terminal Emulator
Okular - The Universal Document Viewer
Multi-platform, fast and packed with features, Okular allows you to read PDF documents, comics and EPub books, browse images, visualize Markdown documents, and much more.